Product comparison · 2 motherboards

ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX vs ASUS P9X79 LE

57specifications compared
22differ
35identical
26known for one product only

Key differences

The ASUS P9X79 LE has 4 more memory slots than the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX (8 vs 4). The ASUS P9X79 LE has 32 GB more maximum internal memory than the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX (64 GB vs 32 GB). The ASUS P9X79 LE has 2 more chassis fan connectors than the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX (4 vs 2). Only the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX has on-board graphics card. Processor socket: LGA 1155 (Socket H2) on the ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX, LGA 2011 (Socket R) on the ASUS P9X79 LE.

Processor socket
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:LGA 1155 (Socket H2)
- P9X79 LE:LGA 2011 (Socket R)
Number of memory slots
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:4
- P9X79 LE:8
Memory channels
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:Dual-channel
- P9X79 LE:Quad-channel
Maximum internal memory
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:32 GB
- P9X79 LE:64 GB
On-board graphics card
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:Yes
- P9X79 LE:No
Number of chassis fan connectors
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:2
- P9X79 LE:4
USB 2.0 ports quantity
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:4
- P9X79 LE:8
LAN controller
- P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX:Intel® 82579LM
- P9X79 LE:Realtek RTL8111F

Side by side

Differences highlightedShow differences only

Comparison of P8Q77-M/CSM, P9X79 LE
83 specifications	A ASUS P8Q77-M/CSM motherboard Intel® Q77 Express LGA 1155 (Socket H2) micro ATX Model P8Q77-M/CSM View product	B ASUS P9X79 LE View product
Processor2 differ
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 2011 (Socket R)
Compatible processor seriesDiffers	Intel® Celeron®, Intel® Pentium®	Intel® Core™ i7
Supported processor socketsKnown for one	Unknown — not stated by the source	LGA 2011 (Socket R)
Memory4 differ
Number of memory slotsDiffers	4	8
Memory channelsDiffers	Dual-channel	Quad-channel
Supported memory clock speedsDiffers	1066,1333,1600 MHz	1066,1333,1600,1866,2133,2400 MHz
Maximum internal memoryDiffers	32 GB	64 GB
Graphics2 differ
Maximum graphics card memoryKnown for one	1748 MB	Unknown — not stated by the source
Parallel processing technology supportDiffers	Not supported	3-Way CrossFireX, Quad-GPU CrossFireX
On-board graphics cardDiffers	Yes	No
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Maximum resolutionKnown for one	2560 x 1600 pixels	Unknown — not stated by the source
Discrete graphics supportKnown for one	Yes	Unknown — not stated by the source
Internal I/O1 differ
Number of Parallel ATA connectorsKnown for one	1	Unknown — not stated by the source
Number of chassis fan connectorsDiffers	2	4
S/PDIF out connectorKnown for one	Unknown — not stated by the source	Yes
TPM connectorKnown for one	Unknown — not stated by the source	Yes
Rear panel I/O ports1 differ
USB 2.0 ports quantityDiffers	4	8
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI-D ports quantityKnown for one	1	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
eSATA ports quantityKnown for one	Unknown — not stated by the source	2
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
Network1 differ
LAN controllerDiffers	Intel® 82579LM	Realtek RTL8111F
Features3 differ
Motherboard form factorDiffers	micro ATX	ATX
Motherboard chipsetDiffers	Intel® Q77 Express	Intel X79
Audio chipDiffers	VIA VT1708S	Realtek ALC892
Overclocking featuresKnown for one	Unknown — not stated by the source	ASUS C.P.R.
Expansion slots3 differ
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsDiffers	1	3
PCI Express configurationsKnown for one	1x4, 1x16	Unknown — not stated by the source
PCI Express slots versionDiffers	3.0	2.0, 3.0
PCI slotsDiffers	2	1
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	2
BIOS2 differ
BIOS typeDiffers	AMI	UEFI
BIOS memory sizeDiffers	128 Mbit	64 Mbit
Clear CMOS jumperKnown for one	Unknown — not stated by the source	Yes
Processor special featuresidentical
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	244 mm	305 mm
DepthDiffers	228.7 mm	244 mm
Other features1 differ
Controller interface typeDiffers	Intel Q77	Intel X79
Audio outputKnown for one	3	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
PCI Express slots quantityKnown for one	3	Unknown — not stated by the source
Controller 2nd interface typeKnown for one	Unknown — not stated by the source	ASMedia ASM1061
BIOS switch buttonKnown for one	Unknown — not stated by the source	Yes
Number of processors supportedKnown for one	Unknown — not stated by the source	1
Quick installation guideKnown for one	Unknown — not stated by the source	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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